*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
.main{
	width: 100%;
	height: 750px;
	border: 1px solid red;
	background-image: url(../img/w.jpg);
	background-size: 100% 750px;
	background-repeat: no-repeat;
	z-index: 1;
	position: relative;
}
.pif{
	position: absolute;
	left: 50%;
	bottom: 200px;
	transform: translateX(-45%);
	width: 90%;
	max-width: 900px;
	color: #fff;
}
.pif h1{
	width: 900px;
	height: 50px;
	display: block;
	border-bottom: .5px #ccc solid;
}
.pif h1 span{
	font-size: 16px;
	display: inline-block;
	line-height: 36px;
}